snapshot of https://github.com/jitsi/jitsi-meet.git @ fd1749dd28f4138aa80234fc7f311b19aaffa0e7 (2026-09-15)

react/features/pip/components/web/DocumentPiPContent.tsx

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+import createCache from '@emotion/cache';
+import { CacheProvider } from '@emotion/react';
+import React, { useEffect, useMemo } from 'react';
+import { createPortal } from 'react-dom';
+import { useSelector } from 'react-redux';
+
+import { IReduxState } from '../../../app/types';
+import GlobalStyles from '../../../base/ui/components/GlobalStyles.web';
+
+import { DocumentPiPView } from './DocumentPiPView';
+
+/**
+ * Inner component for the Document PiP.
+ *
+ * @returns {React.ReactElement | null}
+ */
+export function DocumentPiPContent() {
+    const pipWindow = useSelector((state: IReduxState) => state['features/pip'].pipWindow);
+    const pipCache = useMemo(() => {
+        if (!pipWindow || pipWindow.closed) {
+            return null;
+        }
+
+        return createCache({
+            key: 'jitsi-pip',
+            container: pipWindow.document.head
+        });
+    }, [ pipWindow ]);
+
+    useEffect(() => () => {
+        pipCache?.sheet.flush();
+    }, [ pipCache ]);
+
+    const pipRoot = pipWindow?.document.getElementById('pip-root');
+
+    if (!pipCache || !pipRoot) {
+        return null;
+    }
+
+    return createPortal(
+        <CacheProvider value = { pipCache }>
+            <GlobalStyles />
+            <DocumentPiPView />
+        </CacheProvider>,
+        pipRoot
+    );
+}

react/features/pip/components/web/DocumentPiPView.tsx

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+import React, { useEffect, useRef } from 'react';
+import { useSelector } from 'react-redux';
+import { makeStyles } from 'tss-react/mui';
+
+import { IReduxState } from '../../../app/types';
+import Avatar from '../../../base/avatar/components/Avatar';
+import { getLocalParticipant, getParticipantDisplayName } from '../../../base/participants/functions';
+import DisplayNameBadge from '../../../display-name/components/web/DisplayNameBadge';
+import { getStageParticipantTypography } from '../../../display-name/components/web/styles';
+import { getLargeVideoParticipant } from '../../../large-video/functions';
+import { isPrejoinPageVisible } from '../../../prejoin/functions.any';
+import HangupButton from '../../../toolbox/components/HangupButton';
+import AudioMuteButton from '../../../toolbox/components/web/AudioMuteButton';
+import VideoMuteButton from '../../../toolbox/components/web/VideoMuteButton';
+import { getPiPVideoTrack, shouldShowPiPAvatar } from '../../functions';
+import logger from '../../logger';
+
+const useStyles = makeStyles<void, 'controls'>()((theme, _params, classes) => {
+    return {
+        container: {
+            backgroundColor: theme.palette.largeVideoBackground,
+            color: theme.palette.text01,
+            height: '100vh',
+            overflow: 'hidden',
+            position: 'relative',
+            userSelect: 'none',
+            width: '100vw',
+
+            '& *, & *::before, & *::after': {
+                boxSizing: 'border-box'
+            }
+        },
+        videoArea: {
+            alignItems: 'center',
+            backgroundColor: theme.palette.largeVideoBackground,
+            display: 'flex',
+            height: '100%',
+            justifyContent: 'center',
+            overflow: 'hidden',
+            position: 'relative',
+            width: '100%',
+
+            [`&:hover .${classes.controls}`]: {
+                opacity: 1,
+                pointerEvents: 'auto'
+            }
+        },
+        videoElement: {
+            backgroundColor: theme.palette.largeVideoBackground,
+            height: '100%',
+            objectFit: 'contain',
+            width: '100%'
+        },
+        avatarPlaceholder: {
+            alignItems: 'center',
+            backgroundColor: theme.palette.largeVideoPlaceholder,
+            display: 'flex',
+            height: '100%',
+            justifyContent: 'center',
+            width: '100%'
+        },
+        floatingControls: {
+            alignItems: 'center',
+            bottom: theme.spacing(4),
+            display: 'flex',
+            flexDirection: 'column',
+            gap: theme.spacing(2),
+            left: 0,
+            pointerEvents: 'none',
+            position: 'absolute',
+            width: '100%',
+            zIndex: 10
+        },
+        participantName: {
+            ...getStageParticipantTypography(theme),
+            display: 'flex',
+            justifyContent: 'center',
+            pointerEvents: 'none',
+            width: '100%'
+        },
+        controls: {
+            opacity: 0,
+            pointerEvents: 'none',
+            transition: 'opacity 0.3s ease',
+
+            '& .toolbox-icon.hangup-button': {
+                backgroundColor: theme.palette.actionDanger,
+
+                '@media (hover: hover) and (pointer: fine)': {
+                    '&:hover': {
+                        backgroundColor: theme.palette.actionDangerHover
+                    },
+
+                    '&:active': {
+                        backgroundColor: theme.palette.actionDangerActive
+                    }
+                },
+
+                '& svg': {
+                    fill: theme.palette.icon01
+                }
+            }
+        }
+    };
+});
+
+/**
+ * Renders the participant video, avatar fallback, display name and controls inside the Document PiP window.
+ *
+ * @returns {React.ReactElement}
+ */
+export function DocumentPiPView() {
+    const { classes, cx } = useStyles();
+    const videoRef = useRef<HTMLVideoElement>(null);
+    const isOnPrejoin = useSelector(isPrejoinPageVisible);
+    const localParticipant = useSelector((state: IReduxState) => getLocalParticipant(state));
+    const largeVideoParticipant = useSelector(getLargeVideoParticipant);
+    const participant = isOnPrejoin ? localParticipant : largeVideoParticipant;
+    const videoTrack = useSelector((state: IReduxState) => getPiPVideoTrack(state, participant));
+    const participantName = useSelector((state: IReduxState) =>
+        participant?.id ? getParticipantDisplayName(state, participant.id) : '');
+    const shouldShowAvatar = shouldShowPiPAvatar(videoTrack);
+
+    useEffect(() => {
+        const video = videoRef.current;
+
+        if (!video || shouldShowAvatar || !videoTrack?.jitsiTrack) {
+            return;
+        }
+
+        videoTrack.jitsiTrack.attach(video).catch((error: Error) => {
+            logger.error('Failed to attach video track in Document PiP:', error);
+        });
+
+        return () => {
+            try {
+                videoTrack.jitsiTrack.detach(video);
+            } catch (error) {
+                logger.error('Failed to detach video track in Document PiP:', error);
+            }
+        };
+    }, [ videoTrack, shouldShowAvatar ]);
+
+    return (
+        <div className = { classes.container }>
+            <div className = { classes.videoArea }>
+                {shouldShowAvatar ? (
+                    <div className = { classes.avatarPlaceholder }>
+                        <Avatar
+                            participantId = { participant?.id }
+                            size = { 120 } />
+                    </div>
+                ) : (
+                    <video
+                        autoPlay = { true }
+                        className = { classes.videoElement }
+                        muted = { true }
+                        playsInline = { true }
+                        ref = { videoRef } />
+                )}
+                <div className = { classes.floatingControls }>
+                    {participantName && <div className = { classes.participantName }>
+                        <DisplayNameBadge name = { participantName } />
+                    </div>}
+                    <div className = { cx(classes.controls, 'toolbox-content-items') }>
+                        <AudioMuteButton
+                            disableTooltip = { true }
+                            registerKeyboardShortcut = { false } />
+                        <VideoMuteButton
+                            disableTooltip = { true }
+                            registerKeyboardShortcut = { false } />
+                        <HangupButton
+                            customClass = 'hangup-button'
+                            disableTooltip = { true } />
+                    </div>
+                </div>
+            </div>
+        </div>
+    );
+}

react/features/pip/components/web/PiPTriggerButton.tsx

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+import { connect } from 'react-redux';
+
+import { createToolbarEvent } from '../../../analytics/AnalyticsEvents';
+import { sendAnalytics } from '../../../analytics/functions';
+import { IReduxState } from '../../../app/types';
+import { translate } from '../../../base/i18n/functions';
+import { IconPip } from '../../../base/icons/svg';
+import AbstractButton, { IProps as AbstractButtonProps } from '../../../base/toolbox/components/AbstractButton';
+import { togglePip } from '../../actions';
+
+interface IProps extends AbstractButtonProps {
+
+    /**
+     * Whether Picture-in-Picture is active.
+     */
+    _isPiPActive: boolean;
+}
+
+/**
+ * Opens or closes Picture-in-Picture using the implementation supported by the browser.
+ */
+class PiPTriggerButton extends AbstractButton<IProps> {
+    override accessibilityLabel = 'toolbar.accessibilityLabel.pip';
+    override toggledAccessibilityLabel = 'toolbar.accessibilityLabel.pipClose';
+    override label = 'toolbar.pip';
+    override toggledLabel = 'toolbar.pipClose';
+    override tooltip = 'toolbar.pip';
+    override toggledTooltip = 'toolbar.pipClose';
+    override icon = IconPip;
+
+    /**
+     * Indicates whether the button is toggled.
+     *
+     * @returns {boolean}
+     */
+    override _isToggled(): boolean {
+        return Boolean(this.props._isPiPActive);
+    }
+
+    /**
+     * Handles toggling Picture-in-Picture.
+     *
+     * @returns {void}
+     */
+    override _handleClick() {
+        const { dispatch } = this.props;
+
+        sendAnalytics(createToolbarEvent('toggle.pip', { enable: !this._isToggled() }));
+        dispatch(togglePip());
+    }
+}
+
+/**
+ * Maps Redux state to component props.
+ *
+ * @param {IReduxState} state - Redux state.
+ * @returns {Object}
+ */
+function mapStateToProps(state: IReduxState) {
+    return {
+        _isPiPActive: Boolean(state['features/pip']?.isPiPActive)
+    };
+}
+
+export default translate(connect(mapStateToProps)(PiPTriggerButton));